Guarantee analysis
Specifications GUARANTEE VALUE
Assay (by GC) Min 99.8%
Evaporation residue Max 0.0004%
Water (KF) Max 0.02%
Colour Max 10APHA
Acidity Max 0.0002meq/g
Alkalinity Max 0.0002meq/g
Density at 20/4 0.863～0.868
Transmission ( at 285 nm ) Min 10%
Transmission ( at 288 nm ) Min 32%
Transmission ( at 300 nm ) Min 79%
Transmission ( at 335 nm ) Min 95%
Transmission ( from 350 nm ) Min 98%
Substances Darkened by H2SO4 passes test
Sulfur Compounds (as S) Max 0.003%